for (index = 0; index < form.testData.length; index++) {
  const item = form.testData[index];
  try {
    r60s = parseFloat(item.r60s);
    r15s = parseFloat(item.r15s);
    r10m = parseFloat(item.r10m);
    item.absorptivity = r60s / r15s;
    item.polarIndex = r10m / r60s;
  } catch (e) {
    console.error(e);
  }
}
